ASACORE-1110: AboutObj and AboutIconObj must unregister
                and fixed cleanup bug exposed by the fix

Change-Id: I943cd64fb995fa973b7624897e062352bd46079a
Signed-off-by: Eric Rongo <erongo@qce.qualcomm.com>
Merge "ASACORE-1110: AboutObj and AboutIconObj must unregister                 and fixed cleanup bug exposed by the fix"